NEW CUSTOMER GUIDE

What happens after you sign up.

Five steps, no surprises.

  1. LVL 1

    Before your first visit

    We text and email a reminder starting 5 days out. The first visit treats inside and out, so we set a time that works for you.

  2. LVL 2

    The first visit

    The deep treatment: inside and outside treatment, crack and crevice work, webs and wasp nests removed, and an entry point inspection. It takes longer than a regular visit.

  3. LVL 3

    The first 2 weeks

    Seeing more bugs is normal. The treatment draws them out, and most are gone within 10 to 14 days. Rain is fine, too.

  4. LVL 4

    Every visit after

    We book your next visit automatically and text you before we come. Allow a 15-minute window. We always knock before starting.

  5. LVL 5

    Between visits

    Covered pests back? Call, text or email. On Home Shield we come back and re-treat for free.

Update your card or check past payments any time in the Client Portal.

LEVEL SELECT

The St. Louis pest calendar.

Pick a month to see what is active and what to do about it.

LEVEL 01 · JANUARY

Quiet outside, busy inside.

Mice that moved in during the fall are breeding in wall voids and attics. This is when people finally hear the scratching, because the house is quiet. Spiders stay active in basements and crawl spaces.

DO THIS NOWHearing something in the walls? Deal with it now. A January mouse problem is a March mouse infestation.
Rodent Guard →
ACTIVE THIS MONTH
Mice
Spiders
LEVEL 02 · FEBRUARY

The first warm days wake things up.

A few 60-degree days in late February bring cluster flies and box elder bugs out of window frames and attic corners. They did not hatch. They were sleeping in your walls the whole time.

DO THIS NOWSeeing them on a sunny day? A fall treatment keeps them out next year.
Home Shield →
ACTIVE THIS MONTH
Box elder bugs
Mice
Spiders
LEVEL 03 · MARCH

Ants wake up. Termites swarm.

Odorous house ants and pavement ants start foraging along last year's trails. On the first warm, humid day after rain, termite swarmers can pour out near the foundation. They look like flying ants.

DO THIS NOWMarch is the best month to start quarterly service. The barrier goes down before pressure builds.
Start Home Shield →
ACTIVE THIS MONTH
Ants
Termite swarmers
LEVEL 04 · APRIL

Everything wakes up at once.

Ants go hard and wasps start building. The first mosquitoes show up with standing water and 50-degree nights, and ticks get serious anywhere that backs to a tree line.

DO THIS NOWStart mosquito and tick treatments in early to mid April. Starting in June means a May full of bites.
Mosquito & Tick →
ACTIVE THIS MONTH
Ants
Wasps
Mosquitoes
Ticks
LEVEL 05 · MAY

Peak ant month.

If you are going to have an ant problem, May is when it shows up in the kitchen. Carpenter ants get busy around wet wood like deck ledger boards, window frames and overflowing gutters. Brown recluse get easier to spot as it warms up.

DO THIS NOWSawdust near trim or windows is the carpenter ant giveaway. Text us a photo.
Ant control →
ACTIVE THIS MONTH
Ants
Spiders
LEVEL 06 · JUNE

Mosquitoes hit full stride.

Wasp and hornet nests show up under eaves, in soffits and in grill covers. Yellowjacket colonies are still small.

DO THIS NOWJune is the easy month to knock out nests. In August they are not easy.
Nest removal on Home Shield →
ACTIVE THIS MONTH
Mosquitoes
Wasps
LEVEL 07 · JULY

Heat pushes pests toward water.

Hot, dry weather sends ants into bathrooms and around dishwashers, and spiders into garages. Mosquitoes peak after every storm.

DO THIS NOWDump standing water weekly: clogged gutters, planter saucers, tarps and kiddie pools. Anything holding water for a week becomes a nursery.
Mosquito control →
ACTIVE THIS MONTH
Ants
Spiders
Mosquitoes
LEVEL 08 · AUGUST

Peak wasp aggression.

Colonies are at full size and the workers get bold around food and drinks. This is the month people get stung at their own barbecue. Late in the month, the first mice start testing foundations.

DO THIS NOWIt feels early for mice. It is not. Get ahead of them before September.
Rodent Guard →
ACTIVE THIS MONTH
Wasps
Mice
LEVEL 09 · SEPTEMBER

Rodent season starts for real.

The first cool nights send mice looking for warmth, and a mouse fits through a gap the width of a pencil. Spiders follow their food inside. Stink bugs and lady beetles mass on warm, south-facing walls.

DO THIS NOWGet rodent stations in place now. Getting ahead of the move-in beats evicting them later.
Rodent Guard →
ACTIVE THIS MONTH
Mice
Spiders
Stink bugs
Lady beetles
LEVEL 10 · OCTOBER

Peak overwintering month.

Box elder bugs, stink bugs, Asian lady beetles and cluster flies pile into siding, window frames and attic vents. They do not damage anything. Mosquito season winds down with the first hard freeze.

DO THIS NOWTreat now, or they are in your living room in February.
Home Shield →
ACTIVE THIS MONTH
Box elder bugs
Stink bugs
Lady beetles
Mosquitoes
LEVEL 11 · NOVEMBER

Mice are in.

If there is a gap, it has been found. Overwintering bugs have settled into the structure, and pressure outside drops off.

DO THIS NOWDo not pause service now. People who cancel in November tend to have a problem by February.
Home Shield →
ACTIVE THIS MONTH
Mice
LEVEL 12 · DECEMBER

Nothing dramatic, and that is the point.

Indoor mouse activity climbs as established mice breed, and spiders still turn up in basements. What you did in September and October decides what December feels like.

DO THIS NOWHear scratching overhead? Call now, not in March.
Mouse control →
ACTIVE THIS MONTH
Mice
Spiders

Built from what we find on real service calls across St. Louis and St. Charles County. Read the full calendar

BEFORE WE ARRIVE

Prep checklists.

Check them off here or print them. Your checks save on this device.

LEVEL CLEAR! YOU ARE ALL SET.

Your first Home Shield visit

What to expect, start to finish.

LEVEL CLEAR! YOU ARE ALL SET.

Bed bug treatment prep

Do these before your technician arrives. Good prep is what makes the treatment work.

Please do not use a fogger. It scatters bed bugs deeper into walls and other rooms.

LEVEL CLEAR! YOU ARE ALL SET.

Living with bait stations

Rodent Guard stations work best when they are left alone.

Stations are locked, tamper-resistant and placed out of reach of kids and pets.

LEVEL CLEAR! YOU ARE ALL SET.

Get your yard ready for mosquito season

Treatments do the heavy lifting. These help them last.

LEVEL CLEAR! YOU ARE ALL SET.

Fruit fly closing checklist for bars

Post it behind the bar. Ten to fifteen minutes at close is the difference between gone in a couple of weeks and fighting them all season.

Once a week: clean behind and under equipment, scrub the floor drains, wipe bottle shelves and check under sinks for standing water. We handle drain foaming, fly bait, fly lights and trap checks on every visit.

HELP DESK

Quick answers.

Pick a topic, or search at the top of the page.

How much does pest control cost?
Most homes pay $175 for the first visit ($150 for smaller homes). That is $100 off for new quarterly customers; it is normally $275. Then it is $45 a month for quarterly service. Bigger homes and add-ons like rodent or mosquito cost a bit more. We give you an exact price by phone, no in-home sales pitch.
More on pricing →
Which plan do I need?
Most homes start with Home Shield, which covers the everyday bugs. Add Rodent Guard if you have mice or live near fields or woods, and Mosquito & Tick if you spend time in the yard. We will tell you honestly what you need when you call.
What happens on the first visit?
The first visit is the deep treatment: inside and outside treatment, crack and crevice work, webs and wasp nests removed, and an inspection for entry points. It takes longer than a regular visit.
Why does the first visit cost more?
It gets your home up to our standards. The first visit includes a full pest inspection, extra time on the treatment and nearly double the product, especially if it has been a while or your home has never had pest control. It is normally $275. New quarterly customers get $100 off, so most homes pay $175.
More on pricing →
Is the quote really free?
Yes. Tell us about your home and what you are seeing, and we give you an exact price. If it is not a fit, no hard feelings.
More on pricing →
Do you do one-time treatments?
Yes. A one-time general pest treatment is usually $225 to $275, depending on your home. It's a good fit if you're moving, selling or have one problem to knock out. Most people choose quarterly, because the barrier wears off in about 90 days, and quarterly customers get $100 off the first visit plus free re-service between visits.
More on pricing →
Are you part of a chain or franchise?
No. Zero Pest is locally owned by Ryan and Alex here in St. Louis. We are not a franchise, and we are not affiliated with other companies that use a similar name.
Do you come to my area?
We cover St. Louis City, St. Louis County and St. Charles County, from Wildwood and Ballwin to Kirkwood, Fenton, St. Charles and St. Peters.
When should I start pest control?
March is ideal, because the barrier goes down before spring ant and spider pressure builds. That said, any month works. If you have activity right now, that is the month to start.
Do I need to be home?
Not for the outside treatment, which is the core of every visit. For inside work, we will set a time that works for you.
I see bugs a week after treatment. Normal?
Totally normal for the first 1 to 2 weeks, as the treatment draws pests out. After that, if covered pests show up between visits, call or text and we come back free.
What if it rains after my treatment?
No problem. Our products are made to work in light to moderate rain and just need a short drying window. We only reschedule if the weather truly calls for it, and we will let you know.
How will I know when you are coming?
We book your next visit automatically based on your plan. You get reminder texts and emails starting 5 days before. Please allow a 15-minute window either way, since your tech may be coming straight from another home. We always knock before starting.
How do I reschedule?
Reply to your reminder text or give us a call. We need at least 24 hours notice.
Do you treat inside every visit?
Not always. We recommend it on your first visit, then as needed. Once each spring is a good routine. Want the inside done on any visit? Just ask.
Pests came back between visits. What do I do?
Call, text or email us. On Home Shield, we come back and re-treat covered pests at no extra cost.
I have not seen a bug in months. Should I cancel?
That means the barrier is working. Canceling lets pests come back, and restarting means paying a new first-visit fee. Staying consistent keeps your home protected and saves money in the long run.
Why keep service in the winter?
Winter treatments stop stink bugs, spiders and box elder bugs from waking up and taking over. Mice and overwintering bugs stay busy inside your walls all winter, and homes that stay on service start spring with far less pressure.
How does monthly billing work?
It's the same as quarterly billing, just split into monthly payments. For most homes, $135 a visit becomes $45 a month, starting 30 days after your first visit. We show up every 90 days to maintain your barrier, but you have our team any time: if ants show up in the kitchen, just call and we'll come back and re-treat at no extra cost. No contract, just a 30-day notice to cancel. Payments go on the card on file, and you get a receipt by email.
How do I update my card or see past payments?
Log into the Client Portal, or give us a call.
Do I have to sign a contract?
No. Just a 30-day notice to cancel. The one exception is Home Shield Plus, which uses a 12-month plan to unlock the bundle discount. We will tell you that upfront.
More on pricing →
Can you match another quote?
Often, yes. Tell us what you are looking at and we will walk through exactly what is different, like licensing and what is included.
More on pricing →
How does the referral program work?
See how it works on our referral page, then sign up there for your own link. You earn $50 for every referral.
Is it safe for my kids and pets?
Yes. Products are safe once dry, usually about 30 minutes. Rodent stations are tamper-resistant and out of reach.
Are your technicians licensed?
Yes, fully. Every Zero Pest tech has passed Missouri's pesticide applicator exams and had real on-the-job training. Many companies send techs on a basic technician license, which takes very little training. We don't. Ask us for license numbers anytime.
Is rodent bait dangerous for my dog?
Stations are locked, tamper-resistant and placed out of reach. We adjust placement for your yard and your pets.
Is mosquito spray safe for bees and my garden?
We treat where mosquitoes rest and breed, not blooming plants, and we adjust around hives, ponds and vegetable gardens.
Do I need to leave during treatment?
For some treatments, yes. We give you prep and re-entry instructions ahead of time so you know exactly what to expect.
Can I just use a fogger?
Please don't. Foggers scatter bed bugs and roaches deeper into walls and other rooms, which makes the problem bigger and harder to treat.
Are these flying ants or termites?
Ants have a pinched waist, elbowed antennae and front wings longer than the back ones. Termites have a straight waist, straight antennae and equal wings. Text us a photo and we will tell you which one you have.
Why do ants keep coming back after I spray?
Store-bought sprays kill the ants you see and scatter the rest. Some species, like odorous house ants, split into new colonies when stressed. Non-repellent treatment and baits get carried back to the nest, which is how the colony actually dies.
Are carpenter ants damaging my house?
They can. Carpenter ants do not eat wood, but they tunnel through wet or damaged wood to nest. Sawdust piles near trim or windows are the giveaway. We treat them and point out the moisture problem that attracted them.
Are brown recluse dangerous?
Bites are rare because they avoid people, but they can be serious. Shake out shoes and stored clothes, and use sealed plastic bins instead of cardboard in the basement.
Why do webs keep coming back?
Webs come back when there is food. Our outside barrier cuts down the bugs spiders eat, and we knock down webs and egg sacs every visit.
How do I know if I have German roaches?
German roaches are small and tan with two dark stripes behind the head, and they live in kitchens and bathrooms. Seeing them in the daytime usually means a big population.
Why do mice come in every fall?
When it gets cold, mice move from fields, woods and yards toward warm buildings. Stations outside catch them on the way in.
Do you remove wasp and hornet nests?
Yes. Nests on the house are removed on every Home Shield visit, and if one pops up between visits, call us and we come back free.
I think I have termites right now. What do I do?
Call or text us at (314) 912-2929. Do not wait on termites. We will take a look and tell you what we find.
Do you handle raccoons, squirrels or bats?
No, wildlife removal is not something we do. We are happy to refer you to a trusted local partner and keep an eye out during our regular visits.
What is the worst month for pests in St. Louis?
May and August, for different reasons. May is peak ant activity and August is peak wasp aggression. September is the most important month to act, because that is when mice start moving indoors.
When is mosquito season in St. Louis?
Mosquitoes are active from spring into fall. We treat about every 3 weeks from mid-April to mid-October, roughly 9 treatments.
Does mosquito treatment really work?
You will see a big drop in activity, especially after the first two or three treatments. Yards near woods or water carry more pressure, so staying consistent matters.
Do you treat for ticks too?
Yes. The same visits treat tick and chigger habitat: tall grass edges, shady moist zones and wildlife paths.
Is it one mole or many?
Usually fewer than people think. A single mole can tunnel a lot of yard in a day. The bigger question is how many are nearby.
How fast will I see results on moles?
Most yards show a clear drop in fresh tunneling within a few weeks. The follow-up check at 30 to 45 days confirms it.
Do you treat voles too?
Yes. Voles use surface runways instead of deep tunnels, so the approach is different. We identify which one you have first.
Do you require a contract for businesses?
No. Most commercial providers lock you into an annual agreement. We use a 30-day notice and keep your business by earning it.
How often do you service a business?
It depends on your business: often monthly or every other month for restaurants and schools, quarterly for offices and warehouses. We set it in your proposal.
Do we get documentation for inspections?
Yes. You get a digital report after every visit with what we found, what we treated and what we recommend.
Can you service multiple locations?
Yes. Multi-property groups get one schedule, one invoice, one point of contact and group pricing.

Something else? Call or text (314) 912-2929

GAME OVER
...for the pests, anyway.
CONTINUE?
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